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May Weather in Khon Kaen, Thailand

Last updated: August 27, 2025

In Khon Kaen, Thailand, the average temperature in May hovers around 30°C (86°F). Expect a range from a refreshing 20°C (68°F) to a scorching 41°C (106°F). This month sees about 158 mm (6.2 in) of precipitation, spread over 18 days, contributing to an average humidity of 65%. Stay prepared for a mix of warmth and occasional showers!

May Temperature in Khon Kaen

In May in Khon Kaen, the average temperature is 30°C (86°F). Maximum temperatures can reach 41°C (106°F), while the minimum can drop to as low as 20°C (68°F). Travelers should prepare for hot weather and stay hydrated during their visit.

May Weather in Khon Kaen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Khon Kaen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khon Kaen, May typically has an average temperature of 30°C (86°F), with highs reaching up to 41°C (106°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec767884868686858483817975
Data source: Temperature data for Khon Kaen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Khon Kaen

In Khon Kaen in May, the total precipitation amount is 158 mm (6.2 in) over a span of 18 days.

May Precipitation Trends in Khon Kaen

The chart displays monthly precipitation patterns in Khon Kaen, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Khon Kaen, May typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec593065158134227200239153306
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Khon Kaen

In Khon Kaen in May humidity is 65%. With an average temperature of 30°C (86°F), this humidity feels like stepping into a warm, thick blanket, making outdoor adventures challenging but rewarding, as you can experience vibrant local culture while staying hydrated and taking frequent breaks in the shade.

May Average Humidity in Khon Kaen

This chart illustrates the average monthly humidity levels in Khon Kaen, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Khon Kaen is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Khon Kaen

In Khon Kaen in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Khon Kaen, you can check here.

Maximum UV Index Levels in Khon Kaen for May

The chart shows the monthly maximum UV Index (UVI) for Khon Kaen in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Khon Kaen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141315141312109
Data source: Khon Kaen May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Khon Kaen Compares to Other Months

Weather in Khon Kaen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Khon Kaen, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Khon Kaen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)5 mm (0.2 inches)59%very high
February Weather26°C (79°F)9 mm (0.4 inches)54%extreme
March Weather29°C (84°F)30 mm (1.2 inches)45%extreme
April Weather30°C (86°F)65 mm (2.6 inches)40%extreme
May Weather30°C (86°F)158 mm (6.2 inches)65%extreme
June Weather30°C (86°F)134 mm (5.3 inches)82%extreme
July Weather29°C (85°F)227 mm (8.9 inches)90%extreme
August Weather29°C (84°F)200 mm (7.9 inches)92%extreme
September Weather28°C (83°F)239 mm (9.4 inches)86%extreme
October Weather27°C (82°F)153 mm (6.0 inches)80%extreme
November Weather26°C (79°F)30 mm (1.2 inches)72%very high
December Weather24°C (75°F)6 mm (0.2 inches)66%very high

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